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  <title>ol-ext: Swipe control</title>
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  <meta name="description" content="ol.control.Permalink add a premalink control to the map." />
  <meta name="keywords" content="ol3, control, swipe, compare" />

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  <a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>

  <a href="../../index.html">
    <h1>ol-ext: Swipe control</h1>
  </a>
  <div class="info">
    <i>ol.control.Swipe</i> is a control that add a split screen to compare two map overlays.
    <br />
    Layers can be added to left (top) or right (bottom) side of the map.
    Layers that are not added are displayed on both sides.
  </div>

  <!-- Map div -->
  <div id="map" style="width:600px; height:400px;"></div>

  <div class="options">
    <ul>
      <li>
        <input id="ori" type="checkbox" onchange="ctrl.set('orientation',$(this).prop('checked')?'horizontal':'vertical')" /><label
          for="ori"> horizontal swipe</label>
      </li>
      <li>
        <button type="button" onclick="ctrl.set('position', 0.5);">Reset position</button>
      </li>
    </ul>
  </div>

  <script type="text/javascript">

    var source1 = new ol.source.GeoTIFF({
      sources: [
        { url: 'https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/36/Q/WD/2020/7/S2A_36QWD_20200701_0_L2A/TCI.tif' }
      ]
    })
    var cogLeft = new ol.layer.WebGLTile({
      title: 'left',
      source: source1
    });
    var cogRight = new ol.layer.WebGLTile({
      title: 'right',
      className: 'right',
      source: new ol.source.GeoTIFF({
        sources: [
          { url: 'https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/36/Q/WD/2020/7/S2A_36QWD_20200701_0_L2A/TCI.tif' }
        ]
      })
    });
    // The map
    var map = new ol.Map({
      target: 'map',
      className: 'left',
      view: source1.getView(),
      layers:[cogLeft,cogRight]
    });

    var ctrl = new ol.control.Swipe();
    map.addControl(ctrl);
    ctrl.addLayer(cogRight, true);
    ctrl.addLayer(cogLeft, false);

    map.addControl(new ol.control.LayerSwitcher)
  </script>

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